廢氣廢水再生利用培養微藻生產油脂之研究(I)
學年 97
學期 1
出版（發表）日期 2009-01-01
作品名稱 廢氣廢水再生利用培養微藻生產油脂之研究(I)
作品名稱（其他語言） The Study on Lipid Production of Micro-Algae by Recovering Flue Gas and Wastewater(I)
著者 高思懷; 李柏青
單位 淡江大學水資源及環境工程學系
描述 計畫編號：NSC98-2623-E032-001-ET 研究期間：200901~200912 研究經費：704,000
委託單位 行政院國家科學委員會
摘要 地球能源隨著國際經濟的熱絡而有耗竭的現象，因此尋找替代能源成為迫切且緊要的事情。生質能源當中微藻是非常好的生產者，其光合效率特別高，生物質量與生長速率均優於其它能源作物，且無陸生植物需要廣大土地面積與水資源、農藥肥料施作等負面環境危害，量產可行性將遠超過陸生植物。在微藻種類裡，小球藻(Chlorella sp.)擁有高蛋白質含量以及高脂質累積量的潛能並且取得容易，所以本研究以此為探討對象。 本計畫根據Chlorella sp.自營性培養的基礎，使用模擬工廠排放廢氣(混合CO2、NOx、SOx)的濃度來進行培養，探討空氣污染物對於的生長量與油脂產量的影響情形；另根據Chlorella sp.異營性培養的基礎，使用模擬生活污水或食品加工廢水進行培養，探討Chlorella sp.的生長量與油脂產量受到污水中鹽類影響的情形。利用本團隊研究發展出的高效率兩階段微藻技術，結合模擬污水與模擬工廠排放廢氣的兩階段培養，發展同時減碳與回收廢污水中營養鹽，具體可行性之永續再生能源技術。 預期成果為：(1)在模擬工廠燃燒排放廢氣之成分進行微藻培養，找出可達到最高生物質量與總油脂量之較佳濃度比例；(2)以不同種類之模擬廢水進行培養，找出可達到最高生物質量與總油脂量之廢水；(3)克服可能面臨干擾物質以及雜菌汙染之問題；(4)於模擬廢水培養裡，加入模擬工廠排放廢氣的培養，期望藉以提高細胞內的脂質含量提升至50%，並增加其總脂質含量。 The fossil fuel in the earth was drying out (Ginzburg, 1993) company with human beings economy activities, so that it is an urgent issue to find a renewable resource to accommodate human needs. Micro-algae is one of the good producer of bio-energy with highly efficiency of photosynthesis rate and its bio-mass and grow rate are faster then other energy products (Dote et al., 1994；Minowa et al., 1995). In micro-algae family, Chlorella sp., it’s a species with high protein and high lipid restore potential and it was easy to get; hence, Chlorella sp. was chosen as study subject. In this proposal, base on autotrophic characters of Chlorella sp. from the previous tests conducted, we will mimic the flue gas (mixing of CO2、NOx、SOx) from the industrial factories, to study the effect of air pollutants to the growth rate and lipid productivity of the micro-algae. Also, base on the heterotrophic characters of Chlorella sp. from the tests we conducted, the artificial sewage and food factory waste water will be used as the energy resource, and we will try to study how the growth rate and lipid productivity was affected by salt in the waste water. Afterwards, we will combine the waste water and flue gases from the factories by using two-stage cultivation techniques previously investigated by our team to overcome the interferences and the problems of contamination and, hopefully, develop a solid technology of producing sustainable bio-fuel. The expected results are: 1. finding out the optimum mixing ratio of flue gases to reach the highest production of bio-mass and lipid content; 2. finding out the suitable waste water for cultivation to reach the highest production of bio-mass and lipid content; 3. find the solution to conquer the inference of cultivation and the unwanted microscopic species growth; 4. target to raise the lipid content up to 50% of the dry-mass cells and it’s lipid production on the two-stage cultivation by combining waste water and flue gas form the artificial waste industries
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